fix(list): check child element length before detecting proxies
fix(list): check child element length before detecting proxies

closes #2337

miguelcobain/material,Zagorakiss/material-1,rolandoldengarm/material,ashwathgovind/material,epelc/material,bOOm-X/material,gabimanea/material,IRlyDontKnow/material,xiexingen/material,aanjna/material,tarnas14/material,Androguide/material,ilovett/material,deerawan/material,jelbourn/material,willgum/material_03,Teremok/material,amithub/Angular-Material-Web-Design,rolandoldengarm/material,eloytoro/material,n1vlac/material,miladhamzelou/material,Splaktar/material,epelc/material,SagarNaliyapara/material,valery-barysok/material,brunoqc/material,nantunes/material,dmitriz/material,JsonChiu/material,iksose/material,quietshu/material,BurovAndrii/material,n1vlac/material,programmersujeet/material,pan-long/material,Azzurrio/material,nishant8BITS/material,colinskow/material,b-cuts/material,masterpowers/material,theZimmee/angular-material,mobinni/material,lukascivil/material,loic/material,isaaclyman/material,Bhavinshah5111/material,huoxudong125/material,eloytoro/material,robteix/material,jadjoubran/material,BernhardRode/material,j3ski/material,armst0910/material,hodeyp/material,iksose/material,weiwei695/material,j3ski/material,mprentic-harris/material,SagarNaliyapara/material,SamDLT/material,oostmeijer/material,abhijitsinha89/material,kwypchlo/material,gkalpak/material,acoreyj/material,FrankMeyer/material,veraksar/material,Todd-Werelius/material,tarnas14/material,graingert/material,Kielan/material,brunoqc/material,jianwang195823/material,elton0895/material,onumossn/material,brian-lewis/material,kamilkisiela/material,xiexingen/material,xale/material,JackieWei/material,ServiceManagementGroup/material,vertazzar/material,gabimanea/material,n1vlac/material,DevVersion/material,dreamoftrees/material,JonFerrera/material,n1vlac/material,ilovezy/material,franzsilva/material,Bhavinshah5111/material,cdriscol/material,nantunes/material,vanslly/material,Belicosus/material,valery-barysok/material,deerawan/material,Sravyaksr/material,alfirin/material,un33k/material,tolysz/material,hiddestokvis/material,mobinni/material,mightyselva/material,NickBolles/material,arlowhite/material,clshortfuse/material,asonni/material,Mexiswow/material,Benew/material,yangjae/material,Arteaga2k/material,hesling/material,NickBolles/material,robertmesserle/material,jadjoubran/material,ryancampbell/material,sscovil/material,CarmenPopoviciu/material,aanjna/material,noamshemesh/material,listenlee/material,marpontes/material,Zagorakiss/material-1,nishant8BITS/material,2947721120/angular-material,marpontes/material,hiddestokvis/material,sovanna/material,vurt/material,dkemper01/material,HipsterZipster/material,xiexingen/material,SamDLT/material,mlabieniec/material,hitesh97/material,wanmifam/material,brunoqc/material,gmoothart/material,rolandoldengarm/material,willgum/material_03,johanvo18/material,pijey/material,ardas/material,Patrik-Lundqvist/material,bluebirdtech/material,armst0910/material,flowersinthesand/material,ByJC/material,brunoqc/material,AladdinSonni/material,pwistbac/material,mobinni/material,masterpowers/material,hiteshsuthar/material,programmersujeet/material,clshortfuse/material,jeremymwells/material,Bhavinshah5111/material,Splaktar/material,jensenbox/material,vertazzar/material,valery-barysok/material,mattiLeBlanc/material,huoxudong125/material,pijey/material,amithub/Angular-Material-Web-Design,drrezeau/material,ashwathgovind/material,nconrad/material,ardas/material,shyndman/material,matthewrfindley/material,tolysz/material,dlochrie/material,acoreyj/material,huoxudong125/material,hesling/material,Bryanschauerte/material,angular/material,paulflo150/material,andreialecu/material,welkinhealth/material,bOOm-X/material,Drooids/material,ilovett/material,izeau/material,wanmifam/material,quietshu/material,wisavalite/material,elton0895/material,IRlyDontKnow/material,mightyselva/material,programmist/material,hayloft/material,vanslly/material,bendroid/material,keshavos/material,eloytoro/material,JayQuerido/material,justingrayston/material,imjoeco/material,hannahhoward/material,cdriscol/material,ebulay/material,FrankMeyer/material,robertmesserle/material,richtmat/material,Frank3K/material,weebygames/material,amithub/Angular-Material-Web-Design,gkalpak/material,ebulay/material,Bryanschauerte/material,willgum/material_03,HarrisCorp/material,brian-lewis/material,kamilkisiela/material,franzsilva/material,BurovAndrii/material,hitesh97/material,crisbeto/material,asonni/material,Drooids/material,oostmeijer/material,dkemper01/material,lukascivil/material,mohislm/material,dreamoftrees/material,arush/material,dkemper01/material,pwistbac/material,Verarxar/material,david-gang/material,mightyselva/material,mlabieniec/material,hiteshsuthar/material,CarmenPopoviciu/material,b-cuts/material,dreamoftrees/material,nkoterba/material,matthewrfindley/material,weebygames/material,NickBolles/material,taranjeetsapra/material,colinskow/material,1012/material,JonFerrera/material,miladhamzelou/material,loic/material,sovanna/material,Arteaga2k/material,johanvo18/material,SamDLT/material,ErinCoughlan/material,EladBezalel/material,1012/material,Arteaga2k/material,IRlyDontKnow/material,EladBezalel/material,arush/material,b-cuts/material,epelc/material,gorcz/material,noamshemesh/material,mohislm/material,kamilkisiela/material,Benew/material,bendroid/material,ServiceManagementGroup/material,mprentic-harris/material,imjoeco/material,quietshu/material,victorivens05/material,johanvo18/material,mlabieniec/material,xale/material,wmehanna/material,flowersinthesand/material,david-gang/material,Verarxar/material,pwistbac/material,ashwathgovind/material,m0g/material,marekmicek/material,marpontes/material,andreialecu/material,mobinni/material,taranjeetsapra/material,1012/material,dalong123/material,victorivens05/material,xale/material,aikalima/material,iksose/material,kwypchlo/material,sandeeppatidar/material,profoundry-us/material,mikol/angular-material,arush/material,BernhardRode/material,deerawan/material,vertazzar/material,hayloft/material,bjfletcher/material,lukascivil/material,cdriscol/material,acoreyj/material,philipooo/material,ilovett/material,BurovAndrii/material,bOOm-X/material,psaul3/material,ServiceManagementGroup/material,theZimmee/angular-material,nishant8BITS/material,psaul3/material,daniel-nagy/material,colinskow/material,hiteshsuthar/material,zhhb/material,dalong123/material,dalong123/material,bOOm-X/material,philipooo/material,sscovil/material,Drooids/material,mightyselva/material,dalong123/material,miaotmac/material,jensenbox/material,profoundry-us/material,flowersinthesand/material,elton0895/material,marduke182/material,dlochrie/material,RebootJeff/material,robteix/material,kamilkisiela/material,mattiLeBlanc/material,nconrad/material,Todd-Werelius/material,izeau/material,p5150j/material,jelbourn/material,weiwei695/material,gabimanea/material,wanmifam/material,isaaclyman/material,abhijitsinha89/material,miladhamzelou/material,antoniosejas/material,udhayam/material,welkinhealth/material,daniel-nagy/material,57-Wolve/material,un33k/material,Jeremy017/material,java02014/material-1,arlowhite/material,Frank3K/material,jensenbox/material,valery-barysok/material,BernhardRode/material,udhayam/material,hiddestokvis/material,barryvdh/material,marekmicek/material,mprentic-harris/material,Kielan/material,nantunes/material,Todd-Werelius/material,daniel-nagy/material,armst0910/material,arlowhite/material,kwypchlo/material,armst0910/material,noamshemesh/material,asonni/material,keshavos/material,Arteaga2k/material,tarnas14/material,gkalpak/material,zhhb/material,graingert/material,Antariano/material,DevVersion/material,paulflo150/material,marduke182/material,JsonChiu/material,uistyleguide/uistyleguide.github.io,DerekLouie/material,RebootJeff/material,tarnas14/material,graingert/material,xiexingen/material,JayQuerido/material,Azzurrio/material,miguelcobain/material,davidecavaliere/material,DerekLouie/material,willgum/material_03,sscovil/material,kennethcachia/material,taranjeetsapra/material,franzsilva/material,keshavos/material,onumossn/material,listenlee/material,Androguide/material,taranjeetsapra/material,wmehanna/material,clshortfuse/material,veraksar/material,57-Wolve/material,robertmesserle/material,crisbeto/material,java02014/material-1,Kielan/material,justingrayston/material,amithub/Angular-Material-Web-Design,psaul3/material,JackieWei/material,johanvo18/material,ardas/material,acoreyj/material,un33k/material,SagarNaliyapara/material,ByJC/material,huoxudong125/material,yangjae/material,b-cuts/material,richtmat/material,hesling/material,j3ski/material,jmcabandara/material,jelbourn/material,keshavos/material,2947721120/angular-material,matthewrfindley/material,vertazzar/material,eloytoro/material,Bhavinshah5111/material,hitesh97/material,HipsterZipster/material,philipooo/material,gorcz/material,kwypchlo/material,aikalima/material,Antariano/material,JsonChiu/material,tolysz/material,brian-lewis/material,jelbourn/material,BurovAndrii/material,Splaktar/material,Mexiswow/material,victorivens05/material,alfirin/material,deerawan/material,davidecavaliere/material,jianwang195823/material,marduke182/material,drrezeau/material,java02014/material-1,abhijitsinha89/material,profoundry-us/material,hodeyp/material,hodeyp/material,drrezeau/material,shyndman/material,marekmicek/material,jianwang195823/material,garmoshka-mo/material,shyndman/material,robertmesserle/material,Bryanschauerte/material,pan-long/material,loic/material,p5150j/material,mohislm/material,Belicosus/material,ilovezy/material,veraksar/material,HipsterZipster/material,gmoothart/material,weiwei695/material,programmersujeet/material,bjfletcher/material,weebygames/material,yangjae/material,DerekLouie/material,Zagorakiss/material-1,hesling/material,hannahhoward/material,theZimmee/angular-material,paulflo150/material,marduke182/material,nkoterba/material,asonni/material,andreialecu/material,alfirin/material,java02014/material-1,dmitriz/material,brian-lewis/material,jmcabandara/material,welkinhealth/material,welkinhealth/material,nkoterba/material,gmoothart/material,dmitriz/material,ebulay/material,stephen-james/material,programmersujeet/material,m0g/material,vanslly/material,alfirin/material,Jeremy017/material,ryancampbell/material,onumossn/material,kennethcachia/material,AladdinSonni/material,udhayam/material,jeremymwells/material,AladdinSonni/material,wisavalite/material,jadjoubran/material,bendroid/material,m0g/material,Benew/material,Todd-Werelius/material,Patrik-Lundqvist/material,hitesh97/material,nishant8BITS/material,Splaktar/material,izeau/material,Androguide/material,JackieWei/material,uistyleguide/uistyleguide.github.io,HipsterZipster/material,m0g/material,rolandoldengarm/material,sandeeppatidar/material,jensenbox/material,gmoothart/material,nkoterba/material,ErinCoughlan/material,weiwei695/material,crisbeto/material,nconrad/material,uistyleguide/uistyleguide.github.io,ashwathgovind/material,DerekLouie/material,miguelcobain/material,vurt/material,Patrik-Lundqvist/material,davidecavaliere/material,ByJC/material,Jeremy017/material,wanmifam/material,Azzurrio/material,2947721120/angular-material,ardas/material,angular/material,marekmicek/material,garmoshka-mo/material,CarmenPopoviciu/material,j3ski/material,HarrisCorp/material,CarmenPopoviciu/material,Sravyaksr/material,programmist/material,57-Wolve/material,Antariano/material,Teremok/material,Patrik-Lundqvist/material,lukascivil/material,profoundry-us/material,kennethcachia/material,miguelcobain/material,zhhb/material,sovanna/material,Mexiswow/material,listenlee/material,NickBolles/material,dmitriz/material,dreamoftrees/material,oostmeijer/material,mattiLeBlanc/material,david-gang/material,wisavalite/material,tolysz/material,wisavalite/material,pijey/material,bluebirdtech/material,ilovezy/material,AladdinSonni/material,jmcabandara/material,abhijitsinha89/material,theZimmee/angular-material,marpontes/material,wmehanna/material,udhayam/material,jianwang195823/material,aanjna/material,HarrisCorp/material,IRlyDontKnow/material,gorcz/material,dlochrie/material,JonFerrera/material,mikol/angular-material,Antariano/material,JayQuerido/material,JackieWei/material,daniel-nagy/material,Bryanschauerte/material,Kielan/material,p5150j/material,gabimanea/material,pan-long/material,isaaclyman/material,hiteshsuthar/material,andreialecu/material,antoniosejas/material,ebulay/material,sandeeppatidar/material,Drooids/material,onumossn/material,barryvdh/material,RebootJeff/material,Teremok/material,elton0895/material,JsonChiu/material,noamshemesh/material,dkemper01/material,clshortfuse/material,Frank3K/material,iksose/material,pwistbac/material,psaul3/material,robteix/material,aanjna/material,philipooo/material,antoniosejas/material,graingert/material,mattiLeBlanc/material,angular/material,mlabieniec/material,Belicosus/material,ServiceManagementGroup/material,DevVersion/material,arush/material,weebygames/material,matthewrfindley/material,isaaclyman/material,miaotmac/material,richtmat/material,miaotmac/material,shyndman/material,HarrisCorp/material,davidecavaliere/material,ErinCoughlan/material,imjoeco/material,pijey/material,hannahhoward/material,Sravyaksr/material,crisbeto/material,bendroid/material,Benew/material,programmist/material,garmoshka-mo/material,programmist/material,garmoshka-mo/material,gkalpak/material,miladhamzelou/material,Zagorakiss/material-1,kennethcachia/material,loic/material,jeremymwells/material,franzsilva/material,Frank3K/material,Jeremy017/material,ryancampbell/material,FrankMeyer/material,colinskow/material,sandeeppatidar/material,masterpowers/material,hodeyp/material,zhhb/material,Sravyaksr/material,mikol/angular-material,victorivens05/material,ErinCoughlan/material,57-Wolve/material,JonFerrera/material,justingrayston/material,vurt/material,drrezeau/material,un33k/material,antoniosejas/material,angular/material,Androguide/material,ilovett/material,arlowhite/material,SamDLT/material,jeremymwells/material,david-gang/material,vanslly/material,bluebirdtech/material,flowersinthesand/material,ilovezy/material,Verarxar/material,sscovil/material,EladBezalel/material,FrankMeyer/material,hayloft/material,SagarNaliyapara/material,hayloft/material,hiddestokvis/material,aikalima/material,xale/material,Teremok/material,masterpowers/material,Azzurrio/material,oostmeijer/material,bluebirdtech/material,Verarxar/material,nconrad/material,stephen-james/material,imjoeco/material,epelc/material,bjfletcher/material,stephen-james/material,ByJC/material,cdriscol/material,hannahhoward/material,barryvdh/material,veraksar/material,dlochrie/material,RebootJeff/material,DevVersion/material,Mexiswow/material,jadjoubran/material,justingrayston/material,quietshu/material,1012/material,robteix/material,listenlee/material,stephen-james/material,mohislm/material,wmehanna/material,richtmat/material,bjfletcher/material,izeau/material,mprentic-harris/material,p5150j/material,EladBezalel/material,paulflo150/material,2947721120/angular-material,miaotmac/material,BernhardRode/material,JayQuerido/material,jmcabandara/material